public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
{
int num1 = 0;
MqttMsgUnsuback mqttMsgUnsuback1 = new MqttMsgUnsuback();
if (protocolVersion == (byte)4 && ((uint)fixedHeaderFirstByte & 15U) > 0U)
{
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
}
byte[] buffer = new byte[MqttMsgBase.decodeRemainingLength(channel)];
channel.Receive(buffer);
MqttMsgUnsuback mqttMsgUnsuback2 = mqttMsgUnsuback1;
byte[] numArray1 = buffer;
int index1 = num1;
int num2 = checked (index1 + 1);
int num3 = (int)checked ((ushort)((int)numArray1[index1] << 8 & 65280));
mqttMsgUnsuback2.messageId = (ushort)num3;
MqttMsgUnsuback mqttMsgUnsuback3 = mqttMsgUnsuback1;
int messageId = (int)mqttMsgUnsuback3.messageId;
byte[] numArray2 = buffer;
int index2 = num2;
int num4 = checked (index2 + 1);
int num5 = (int)numArray2[index2];
mqttMsgUnsuback3.messageId = (ushort)(messageId | num5);
return(mqttMsgUnsuback1);
}
/// <summary>
/// Parse bytes for a UNSUBACK message
/// </summary>
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
/// <param name="protocolVersion">Protocol Version</param>
/// <param name="channel">Channel connected to the broker</param>
/// <returns>UNSUBACK message instance</returns>
public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
{
byte[] buffer;
int index = 0;
MqttMsgUnsuback msg = new MqttMsgUnsuback();
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
{
// [v3.1.1] check flag bits
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_UNSUBACK_FLAG_BITS)
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
}
// get remaining length and allocate buffer
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
buffer = new byte[remainingLength];
// read bytes from socket...
channel.Receive(buffer);
// message id
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
msg.messageId |= (buffer[index++]);
return msg;
}
/// <summary>
/// Parse bytes for a UNSUBACK message
/// </summary>
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
/// <param name="protocolVersion">Protocol Version</param>
/// <param name="channel">Channel connected to the broker</param>
/// <returns>UNSUBACK message instance</returns>
public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
{
byte[] buffer;
int index = 0;
MqttMsgUnsuback msg = new MqttMsgUnsuback();
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
{
// [v3.1.1] check flag bits
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_UNSUBACK_FLAG_BITS)
{
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
}
}
// get remaining length and allocate buffer
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
buffer = new byte[remainingLength];
// read bytes from socket...
channel.Receive(buffer);
// message id
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
msg.messageId |= (buffer[index++]);
return(msg);
}
/// <summary>
/// Parse bytes for a UNSUBACK message
/// </summary>
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
/// <param name="channel">Channel connected to the broker</param>
/// <returns>UNSUBACK message instance</returns>
public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, IMqttNetworkChannel channel)
{
byte[] buffer;
int index = 0;
MqttMsgUnsuback msg = new MqttMsgUnsuback();
// get remaining length and allocate buffer
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
buffer = new byte[remainingLength];
// read bytes from socket...
channel.Receive(buffer);
// message id
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
msg.messageId |= (buffer[index++]);
return msg;
}
/// <summary>
/// Parse bytes for a UNSUBACK message
/// </summary>
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
/// <param name="socket">Socket connected to the broker</param>
/// <returns>UNSUBACK message instance</returns>
public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, Socket socket)
{
byte[] buffer;
int index = 0;
MqttMsgUnsuback msg = new MqttMsgUnsuback();
// get remaining length and allocate buffer
int remainingLength = MqttMsgBase.decodeRemainingLength(socket);
buffer = new byte[remainingLength];
// read bytes from socket...
socket.Receive(buffer);
// message id
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
msg.messageId |= (buffer[index++]);
return(msg);
}
/// <summary>
/// Send UNSUBACK message to the client
/// </summary>
/// <param name="messageId">Message Id for the UNSUBSCRIBE message that is being acknowledged</param>
public void Unsuback(ushort messageId)
{
MqttMsgUnsuback unsuback = new MqttMsgUnsuback();
unsuback.MessageId = messageId;
this.Send(unsuback);
}